package com.yeziji.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import com.yeziji.config.support.redis.RedisExpiredListener;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;

/**
 * redis 配置
 *
 * @author hwy
 * @since 2023/11/26 22:51
 **/
@Configuration
public class RedisConfig {
    @Value("${spring.cache.redis.time-to-live:60000}")
    private Duration timeToLive;

    public Jackson2JsonRedisSerializer<Object> jsonRedisSerializer() {
        Jackson2JsonRedisSerializer<Object> serializer =
                new Jackson2JsonRedisSerializer<>(Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
        objectMapper.activateDefaultTyping(
                LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
        serializer.setObjectMapper(objectMapper);

        return serializer;
    }

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

        template.setKeySerializer(stringRedisSerializer);
        template.setValueSerializer(jsonRedisSerializer());

        template.setHashKeySerializer(stringRedisSerializer);
        template.setHashValueSerializer(jsonRedisSerializer());

        template.afterPropertiesSet();
        return template;
    }

    @Bean
    @Primary
    public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        // 配置序列化（解决乱码的问题）
        RedisCacheConfiguration config =
                RedisCacheConfiguration.defaultCacheConfig()
                        // 缓存有效期
                        .entryTtl(timeToLive)
                        // 使用StringRedisSerializer来序列化和反序列化redis的key值
                        .serializeKeysWith(
                                RedisSerializationContext.SerializationPair.fromSerializer(stringRedisSerializer))
                        // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
                        .serializeValuesWith(
                                RedisSerializationContext.SerializationPair.fromSerializer(jsonRedisSerializer()))
                        // 禁用空值
                        .disableCachingNullValues();
        return RedisCacheManager.builder(redisConnectionFactory).cacheDefaults(config).build();
    }

    @Bean
    public RedisMessageListenerContainer redisMessageListenerContainer(RedisConnectionFactory redisConnectionFactory,
                                                                       RedisExpiredListener redisExpiredListener) {
        RedisMessageListenerContainer redisMessageListenerContainer = new RedisMessageListenerContainer();
        redisMessageListenerContainer.setConnectionFactory(redisConnectionFactory);
        redisMessageListenerContainer.addMessageListener(redisExpiredListener, new PatternTopic("__keyevent@*__:expired"));
        return redisMessageListenerContainer;
    }
}
